package com.heima.article.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.article.mapper.ApArticleConfigMapper;
import com.heima.article.mapper.ApArticleContentMapper;
import com.heima.article.mapper.ApArticleMapper;
import com.heima.article.service.ApArticleService;
import com.heima.common.constans.ArticleConstants;
import com.heima.model.article.dto.ArticleDto;
import com.heima.model.article.dto.ArticleHomeDto;
import com.heima.model.article.pojos.ApArticle;
import com.heima.model.article.pojos.ApArticleConfig;
import com.heima.model.article.pojos.ApArticleContent;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;

/**
 * <p>
 * 文章信息表，存储已发布的文章 服务实现类
 * </p>
 *
 * @author wyq
 */
@Slf4j
@Service
@Transactional
public class ApArticleServiceImpl extends ServiceImpl<ApArticleMapper,ApArticle>implements ApArticleService {

    @Autowired
    private ApArticleMapper articleMapper;

    @Autowired
    private ApArticleConfigMapper apArticleConfigMapper;

    @Autowired
    private ApArticleContentMapper apArticleContentMapper;

    /**
     * 页面初始化
     *
     * @param articleHomeDto
     * @return
     */
    @Override
    public ResponseResult loadInit(ArticleHomeDto articleHomeDto,int type) {

        Date maxBehotTime = articleHomeDto.getMaxBehotTime();

        Date minBehotTime = articleHomeDto.getMinBehotTime();

        Integer size = articleHomeDto.getSize();
        if(size==0||size==null){
            articleHomeDto.setSize(10);
        }


        String tag = articleHomeDto.getTag();
        if(StringUtils.isEmpty(tag)){
            articleHomeDto.setTag(ArticleConstants.DEFAULT_TAG);
        }

        if(maxBehotTime == null) articleHomeDto.setMaxBehotTime(new Date());
        if(minBehotTime == null) articleHomeDto.setMinBehotTime(new Date());

        List<ApArticle> list=articleMapper.loadInit(articleHomeDto,type);



        return ResponseResult.okResult(list);
    }

    //保存文章
    @Override
    public ResponseResult saveArticle(ArticleDto dto) {
        //1.检查参数
        if(dto == null){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }

        ApArticle apArticle = new ApArticle();
        BeanUtils.copyProperties(dto,apArticle);

        //2.判断是否存在id
        if(dto.getId() == null){
            //2.1 不存在id  保存  文章  文章配置  文章内容

            //保存文章
            articleMapper.insert(apArticle);

            //保存配置
            ApArticleConfig apArticleConfig = new ApArticleConfig(apArticle.getId());
            apArticleConfigMapper.insert(apArticleConfig);

            //保存 文章内容
            ApArticleContent apArticleContent = new ApArticleContent();
            apArticleContent.setArticleId(apArticle.getId());
            apArticleContent.setContent(dto.getContent());
            apArticleContentMapper.insert(apArticleContent);

        }else {
            //2.2 存在id   修改  文章  文章内容

            //修改  文章
            articleMapper.updateById(apArticle);

            //修改文章内容
            ApArticleContent apArticleContent = apArticleContentMapper.selectOne(Wrappers.<ApArticleContent>lambdaQuery().eq(ApArticleContent::getArticleId, dto.getId()));
            apArticleContent.setContent(dto.getContent());
            apArticleContentMapper.updateById(apArticleContent);
        }


        //3.结果返回  文章的id
        return ResponseResult.okResult(apArticle.getId());
    }
}
